81009180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:793

約数の個数: 192

約数和(自身を含む): 298368000

約数和(自身を除く): 217358820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 739, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1478, 1566, 1740, 1827, 1890, 2030, 2217, 2436, 2610, 2956, 3045, 3132, 3654, 3695, 3780, 3915, 4060, 4434, 5173, 5220, 5481, 6090, 6651, 7308, 7390, 7830, 8868, 9135, 10346, 10962, 11085, 12180, 13302, 14780, 15519, 15660, 18270, 19953, 20692, 21431, 21924, 22170, 25865, 26604, 27405, 31038, 33255, 36540, 39906, 42862, 44340, 46557, 51730, 54810, 62076, 64293, 66510, 77595, 79812, 85724, 93114, 99765, 103460, 107155, 109620, 128586, 133020, 139671, 150017, 155190, 186228, 192879, 199530, 214310, 232785, 257172, 279342, 300034, 310380, 321465, 385758, 399060, 428620, 450051, 465570, 558684, 578637, 600068, 642930, 698355, 750085, 771516, 900102, 931140, 964395, 1157274, 1285860, 1350153, 1396710, 1500170, 1800204, 1928790, 2250255, 2314548, 2700306, 2793420, 2893185, 3000340, 3857580, 4050459, 4500510, 5400612, 5786370, 6750765, 8100918, 9001020, 11572740, 13501530, 16201836, 20252295, 27003060, 40504590, 81009180]

約数ペア:

[(1, 81009180), (2, 40504590), (3, 27003060), (4, 20252295), (5, 16201836), (6, 13501530), (7, 11572740), (9, 9001020), (10, 8100918), (12, 6750765), (14, 5786370), (15, 5400612), (18, 4500510), (20, 4050459), (21, 3857580), (27, 3000340), (28, 2893185), (29, 2793420), (30, 2700306), (35, 2314548), (36, 2250255), (42, 1928790), (45, 1800204), (54, 1500170), (58, 1396710), (60, 1350153), (63, 1285860), (70, 1157274), (84, 964395), (87, 931140), (90, 900102), (105, 771516), (108, 750085), (116, 698355), (126, 642930), (135, 600068), (140, 578637), (145, 558684), (174, 465570), (180, 450051), (189, 428620), (203, 399060), (210, 385758), (252, 321465), (261, 310380), (270, 300034), (290, 279342), (315, 257172), (348, 232785), (378, 214310), (406, 199530), (420, 192879), (435, 186228), (522, 155190), (540, 150017), (580, 139671), (609, 133020), (630, 128586), (739, 109620), (756, 107155), (783, 103460), (812, 99765), (870, 93114), (945, 85724), (1015, 79812), (1044, 77595), (1218, 66510), (1260, 64293), (1305, 62076), (1478, 54810), (1566, 51730), (1740, 46557), (1827, 44340), (1890, 42862), (2030, 39906), (2217, 36540), (2436, 33255), (2610, 31038), (2956, 27405), (3045, 26604), (3132, 25865), (3654, 22170), (3695, 21924), (3780, 21431), (3915, 20692), (4060, 19953), (4434, 18270), (5173, 15660), (5220, 15519), (5481, 14780), (6090, 13302), (6651, 12180), (7308, 11085), (7390, 10962), (7830, 10346), (8868, 9135)]